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Oval|Lab Grown|IGI

1.51ct I SI2 Oval Lab Grown Diamond

ID • I/SI2 • IGI LG447001970

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG447001970

Diamond specifications and retailer prices

From $1,023 SGD
$800 USD
As of October 29, 2026
Save $4,351 SGD (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,374 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 1.51ct lab-grown oval diamond

This 1.51ct lab-grown oval sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG447001970 or 447001970. Listed at 10 retailers as of October 29, 2026, with prices from $1,023 to $5,374, a $4,351 spread on the same certified stone. MOH London lists it at $5,374. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
I
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447001970
Dimensions8.97 × 6.47 × 4.05 mm
L/W Ratio1.39
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
8.97 mm6.47 mm1.51 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447001970
Side View
Table 60.5%Crown 34.9°Girdle: STK-THKPavilion 41.4°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $5,374 SGD|Low: $1,023 SGD|High: $5,418 SGD|Avg: $2,519 SGD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 18, 2026
Retailer 4$1,023 SGD
Retailer 2$1,434 SGD
Retailer 8$1,561 SGD
Retailer 9$1,606 SGD
Retailer 5$1,663 SGD
Retailer 11$2,378 SGD
Retailer 6$2,648 SGD
Retailer 7$3,118 SGD
Retailer 10$3,375 SGD
Retailer 3$3,724 SGD
MOH London$5,374 SGD

13 data points across 11 retailers

10 retailers$1,023 SGD to $5,374 SGD

A
Cheapest Retailer
-
$1,023 SGD
$800 USD
A
Retailer 2
-
$1,434 SGD
$1,122 USD
View
A
Retailer 3
-
$1,561 SGD
$1,221 USD
View
A
Retailer 4
-
$1,606 SGD
$1,256 USD
View
Final sale: no returns
B+
Retailer 5
-
$1,663 SGD
$1,301 USD
View
Retailer 6
-
$1,663 SGD
$1,301 USD
View
Price last confirmed 19 days ago
B
Retailer 7
-
$2,648 SGD
$2,071 USD
View
B
Retailer 8
-
$3,118 SGD
$2,439 USD
View
B
Retailer 9
-
$3,375 SGD
$2,640 USD
View
Most Expensive
B
MOH London
LG447001970 · Oct 29
$5,374 SGD
£3,310 GBP
View
9 more retailers have this diamond
Prices start from $1,023 SGDSave up to $4,351 SGD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.51ct Oval
$1,023 SGD